CS8952T-IQ 데이터 시트보기 (PDF) - Cirrus Logic

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CS8952T-IQ

CrystalLAN™ 100BASE-X and 10BASE-T Transceiver

Cirrus Logic 

CS8952T

CrystalLAN™ 100BASE-X and 10BASE-T Transceiver

SWITCHING CHARACTERISTICS (CONT.)

Parameter

Symbol

Min

Typ

Max

Unit

100BASE-X MII Transmit Timing

TX_CLK Period

tTCP

-

40

-

ns

TX_CLK Pulse Width

tTCL, tTCH

-

20

-

ns

TXD[3:0], TX_ER, TX_EN Setup to TX_CLK High

tTDS

10

-

-

ns

TXD[3:0], TX_ER, TX_EN Hold after TX_CLK

tTDH

0

-

-

ns

High

TX_CLK to CRS asserted latency

tTCRSA

-

-

8

BT

TX_CLK to CRS de-asserted latency

tTCRSD

-

-

8

BT

TX_CLK to TX+/- output (TX Latency) Aligned tTPD

6

7

8

BT

Alignment Bypassed

-

6

7

TX_CLK

TX_EN

TXD[4:0],

TX_ER

CRS

TX+/TX-

tTDS

tTCRSA

tTPD

tTDH

tTCP

tTCL tTCH

tTCRSD

In/Out

In

In

Out

Out

CIRRUS LOGIC ADVANCED PRODUCT DATABOOK

76

DS206TPP2

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